Find the Best Back-End Developers Jobs
Check out a sample of the 1,224 Back-End Developers jobs posted on Upwork
Node.js + AWS backend engineer (HIPAA/healthcare) — take an existing backend to production for PHI
Hourly ‐ Posted 2 days agoHours needed
Duration
Experience level
About the project Early-stage healthcare SaaS: an AI-assisted clinical documentation tool for independent physicians. The product and…
Crypto/Web3 SEO lead - rank us, long-term role
Hourly ‐ Posted 2 days agoHours needed
Duration
Experience level
Please read the last section before applying. We archive unread proposals that ignore it. ABOUT US Bluwhale (bluwhale.com) is a Web3…
AI-Powered Full-Stack Developer
Hourly ‐ Posted 2 days agoHours needed
Duration
Experience level
We are looking for a skilled AI-Powered Full-Stack Developer to design, build, and maintain modern web applications enhanced with AI ca…
Senior SAP ABAP Developer (Energy & Utilities)
Hourly ‐ Posted 2 days agoHours needed
Duration
Experience level
Senior SAP ABAP Developer (Energy & Utilities) Duration: Long-term (12+ months) Experience: 5+ years About the Opportunity Our client…
Create 15-Second Product Animation for Structural Engineering SaaS Website
Hourly ‐ Posted 2 days agoHours needed
Duration
Experience level
SaaS Product/UI Animation for Website Hero — Engineering Software I’m looking for an experienced motion designer/product animator to c…
Senior / Staff Backend Software Engineer
Hourly ‐ Posted 2 days agoHours needed
Duration
Experience level
We are looking for an experienced Senior or Staff-level Backend Software Engineer with 10+ years of professional backend development ex…
Senior Go/Python engineer for self-healing Android device infrastructure
Hourly ‐ Posted 2 days agoHours needed
Duration
Experience level
We operate a small physical Android device lab used for browser automation over cellular connections 📱Our current setup includes six…
Fullstack Node.js Developer for Web App - Expert Needed
Hourly ‐ Posted 2 days agoHours needed
Duration
Experience level
I'm looking for a Node.js developer to help improve and maintain an existing web application and its admin dashboard. The work includes…
Backend Developer for Socket Issue
Fixed-price ‐ Posted 2 days agoFixed-price
Experience level
We are seeking an experienced backend developer to resolve a socket issue affecting real-time data updates. The ideal candidate will ha…
Backend / Full-Stack Engineer - Payments, Memberships & Mobile Apps (Remote)
Fixed-price ‐ Posted 2 days agoFixed-price
Experience level
[New world] - Payments, Memberships & Mobile Apps Engineer Summary: Need a backend/full-stack engineer for a membership platform. Fron…
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